technology is a key driver of the south korean economy. making up 40% of the trade w out the components, americans might not have smart phones or tv monitors. >> this is under celebrated fact that the technology purr vais homes of most americans.. >> the agreement is paving the way for more investmentvc'e÷ and partnerships between silicon valley and core rea. 500 companies are showing off their latest technologies, at a two-day conference. nancy developed in a -- california tech firms see koreas as a partner. joaquin sold his company for the energy industry. >> korea is a great launch pad. very innovative. a great track record, u.s. companies are teeming with large companies like lg, samsung to be the launching pad to be a spring board for the world. >> samsung is a electronics giant but has been engaged in a legal battle with apple over patents. the deputy minister for the knowledge economy is reluctant to answer questions whether the legal dispute will hurt efforts. >> to they can bring more. >> the interpretor says korea has goals. >>